The key differences between sleep and "quiet wakefulness"
What behavioral psychology reveals about your online photos: Comments and approval from other users end up being more important than the way you look.
Women who read nutrition labels are, on average, eight pounds lighter than those who don't.
Not to be too cynical, but they're not doing it out of the goodness of their hearts.
Highlights from the ongoing debate over the factors underlying the epidemic on pace to see 42% of Americans obese within the next 20 years.
What we know about the events that started with Egyptian media airing some offensive clips from an obscure movie to the death of a U.S. ambassador.
New recommendations focus on relatively inexpensive fixes that could significantly reduce health-care waste.
A class-action lawsuit challenges the technology's vaunted health claims.
Research suggests the alcohol in red wine may actually be impeding the antioxidants' cardiovascular benefits.
As we approach health-care system reform, a breakdown of our biggest losses
More than meets the eye: The ingredients for a DIY medical marvel
Government data show food stamp rolls have reached a record high. Where is all that money going?
That doesn't mean it's not healthier. How our obsession with organics' "healthiness" led us away from the term's roots
The slope from Labor Day sale euphoria to the tremors of retail withdrawal could be a slippery one.
In his misleading attack on President Obama's plan for Medicare, Ryan hopes no one will notice he undermined his own.
Let's be clear on Christie's claim about the U.S. health-care system's superlative quality.
Like prohibitions on other goods and services, an abortion ban of the kind national conservatives propose would take a disproportionate toll on those least equipped to adapt.
The number of abortions in Massachusetts has decreased despite predictions that health-care reform would have the opposite effect. Can the health insurance expansions part of Obamacare do the same nationally?
Swimming in schools allows fish to detect threats more easily, and new research -- in which fish were placed in something of a video game -- suggests schooling behavior actively deters predators.